musl: fixed sysvinit package to build

base/musl/pkg/sysvinit/ttydefaults.patch

@@ -0,0 +1,10 @@
+--- ./src/init.c.orig	2015-01-25 22:33:52.743426372 +0100
++++ ./src/init.c	2015-01-25 22:50:05.813855605 +0100
+@@ -49,6 +49,7 @@
+ #include <utmp.h>
+ #include <ctype.h>
+ #include <stdarg.h>
++#include <sys/ttydefaults.h>
+ #include <sys/syslog.h>
+ #include <sys/time.h>
+ 

base/sysvinit/rc.c

@@ -41,6 +41,13 @@ char * clean_env[] = {
 	NULL
 };
 
+#ifndef __SIGRTMIN
+#define __SIGRTMIN 32
+#endif
+#ifndef __SIGRTMAX
+#define __SIGRTMAX (NSIG-1)
+#endif
+
 /* See bits/resource.h and asm/resource.h */
 struct rlimit rlim_cpu      = { RLIM_INFINITY, RLIM_INFINITY };
 struct rlimit rlim_fsize    = { RLIM_INFINITY, RLIM_INFINITY };